问题补充：
— What a beautiful skirt you are dressed in today! Where did you buy it?
— ; I bought it in Beijing.
A. Not beautiful at all
B. Don’t mention it
C. It is very kind of you to say so
D. You’re welcome
答案：
A. Not beautiful at all
B. Don’t mention it
(答案→)C. It is very kind of you to say so
D. You’re welcome
解析：情景交际。Not beautiful at all 根本不漂亮； Don’t mention it别客气；It is very kind of you to say so 你这样说太好了；You’re welcome欢迎你。句意：今天你穿了一件多么漂亮的连衣裙啊！你在哪儿买的？结合下文，我在北京买的。可知选C最符合语境。
